def main():
if (len(sys.argv) < 2):
print("Give rtsp stream address, i.e. rtsp://passwd:user@ip")
return
else:
address = sys.argv[1]
livethread = LiveThread(name="live_thread", verbose=True)
openglthread = OpenGLThread(name="mythread", n1440p=5, verbose=True)
# now livethread and openglthread are running
chain = BasicFilterchain(livethread=livethread,
openglthread=openglthread,
address=address,
slot=1)
chain.decodingOn() # tell the decoding thread to start its job
# let's create some windowses
win_id1 = openglthread.createWindow()
win_id2 = openglthread.createWindow()
win_id3 = openglthread.createWindow()
# send video to x windowses
token1 = openglthread.connect(slot=1, window_id=win_id1)
token2 = openglthread.connect(slot=1, window_id=win_id2)
token3 = openglthread.connect(slot=1, window_id=win_id3)
print("sleeping for some secs")
time.sleep(10)
openglthread.disconnect(token1)
openglthread.disconnect(token2)
openglthread.disconnect(token3)
mstimeout=
1000, # client timeouts if nothing has been received in 1000 milliseconds
verbose=False)
chain.decodingOn() # tell the decoding thread to start its job
# All the threads are running at the c-level, so there is no GIL problems here.. now, let's start doing stuff in python:
t = time.time()
while True:
index, isize = client.pull()
if (index == None):
print("Client timed out..")
else:
print("Client index, size =", index, isize)
data = client.shmem_list[index]
# print(">>>",data[0:10])
img = data.reshape((1080 // 4, 1920 // 4, 3))
# so, here we just dump the image once more - but I guess you got the idea
cv2.imshow("openCV_window", img)
cv2.waitKey(1)
if ((time.time() - t) >= 20): break # exit after 20 secs
# that ShmemClient could be instantiated from a forked or even an independent python process, and this would still work as long as you
# use same name for ShmemClient: name and ShmemFilterchain: shmem_name. It's named and shared posix memory and semaphores.
openglthread.disconnect(token1)
openglthread.disconnect(token2)
openglthread.disconnect(token3)
# garbage collection takes care of stopping threads etc.
